The Strangest Weather Events
Mammatus clouds look like giant white lumps in the sky. However, people who have experienced these clouds have said that they give off the appearance that the sky is falling. Unlike most other clouds that form when the air rises, Mammatus clouds form when moist air sinks into dry air. Specifically, the air must be cooler than the air around and have large liquid water or ice content. This unique mixture creates these unique clouds' bubble-like appearance. Interestingly, these clouds are usually an indication that severe weather may be around.